CN106870081A - Automobile exhaust system is diagnosed and restorative procedure - Google Patents
Automobile exhaust system is diagnosed and restorative procedure Download PDFInfo
- Publication number
- CN106870081A CN106870081A CN201710071638.8A CN201710071638A CN106870081A CN 106870081 A CN106870081 A CN 106870081A CN 201710071638 A CN201710071638 A CN 201710071638A CN 106870081 A CN106870081 A CN 106870081A
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- Prior art keywords
- restorative procedure
- automobile exhaust
- exhaust system
- diagnosed
- diagnosis
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/04—Exhaust treating devices having provisions not otherwise provided for for regeneration or reactivation, e.g. of catalyst
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of diagnosis of automobile exhaust system and restorative procedure, the diagnostic method of automobile exhaust system of the present invention comprises the following steps：（1）, set up communication connection；（2）, obtain data flow；（3）, generation test result；（4）, generation diagnosis report；（5）, suitable restorative procedure selected according to diagnosis report.The restorative procedure of automobile exhaust system of the present invention is the diagnostic result according to special test system, and the maintenance and replacing of problem component are provided for whole engine system, and the regeneration of exhaust purifier is processed；While ensuring that engine system operating mode is good, recover and improve the purification efficiency of exhaust purifier, fundamentally solve carbon monoxide（CO）, hydrocarbon（HC）, nitrogen oxides（NOx）, the harm of the noxious emission to human health and environment such as PM and sulfide.
Description
Technical field：
The present invention relates to the diagnostic field of Automotive Emission Control System, and in particular to a kind of automobile exhaust system diagnosis and reparation side
Method.
Technical background：
With the high speed development of Chinese Automobile Industry ', car ownership is growing day by day, the oxidation that engine is discharged when working
Carbon（CO）, hydrocarbon（HC）, nitrogen oxides（NOx）, the harmful substance such as PM and sulfide is to human health and environment
Harm is also with increasing intensity daily.In this regard, corresponding rule and standard have all been formulated in countries in the world, to the noxious emission control of automobile
System is in relatively low level.At present, automobile exhaust purifier is the most effectual way for processing and reducing waste gas and PM discharges.In recent years
Come, the new technology and new equipment of many purification exhausts are developed and formulated out to motor-dom also for exhaust purifier, but effect is not
Most people's will.Search to the bottom reason, that is, cure the symptoms, not the disease, do not suit the remedy to the case.
Automobile exhaust system is called engine emissions control system, is a branch of engine system.Engine system
The working condition of exhaust purifier is monitored by lambda sensor, meanwhile, lambda sensor also passes through breathing crack（COOP）, will be real
Border air-fuel ratio is transferred to close to 14.7：1 ideal air-fuel ratio, and then for engine provides preferable mixture strength, also ensure that tail
Gas purifier is in optimum Working.Therefore, the damage of any one part in engine system, is likely to cause to mix
Clutch concentration is lacked of proper care, and then influences the purification efficiency of exhaust purifier.
The content of the invention：
Regarding to the issue above, the present invention provides a kind of comprehensive automobile exhaust system diagnosis of system and restorative procedure.
The present invention is mainly achieved through the following technical solutions.
Automobile exhaust system is diagnosed and restorative procedure, is comprised the following steps：
First, diagnostic system is set up communication and is connected by the corresponding communication protocol of vehicle to be measured with the ECU of vehicle to be measured；The diagnosis
System includes：Diagnostic device and cloud database；Wherein diagnostic device includes：Diagnosis interface module, decoder and computer；Wherein
Computer is connected by internet with cloud database；Described cloud database mainly includes the genuine of nearly all commercially available vehicle
Design parameter, and be connected with diagnosis computer by internet；
2nd, diagnostic system obtains the data flow of the whole engine electric-controlled system of vehicle to be measured by diagnosing head；
3rd, the data flow of acquisition is uploaded to cloud database by diagnostic system by internet, and is designed with genuine join there
Number is analyzed, and generates test result；
4th, test result returns to test system by internet, and generates diagnosis report；
5th, restorative procedure is selected according to diagnosis report.
The diagnostic system includes diagnostic device and cloud database.Wherein, the diagnostic device includes diagnosis interface mould
Block, decoder, computer, wherein, computer is connected by internet with cloud database.Wherein, described cloud database is main
Genuine design parameter comprising commercially available vehicle, and be connected with the diagnostic device by internet.
Wherein, the restorative procedure in step 5 includes：The maintenance of problem component, the replacing of problem component and tail gas clean-up
The regeneration treatment of device.
Further, the regeneration treatment of the exhaust purifier inside the restorative procedure in step 5 comprises the following steps：
A, high-temperature calcination；B, high pressure air rifle purging；Soaked in c, cleaning agent；D, removal cleaning agent residual；Again the load of e, catalyst；
F, drying and dehydrating；G, activated at.Wherein, temperature needed for high-temperature calcination described in step a is 400 DEG C~600 DEG C, described in step d
Removal cleaning agent remain when environment temperature be 200 DEG C~300 DEG C, temperature needed for activated at described in step g be 400 DEG C~
600℃.Wherein, soaked in cleaning agent described in step c, its soak time must not be less than 30min.Wherein, dried described in step f de-
Water, therefore, to assure that the water rate of going of catalyst reaches more than 99%.
Automobile exhaust system diagnosis of the present invention and restorative procedure are by special test system, former with automobile
What is drawn on the basis of factory's design parameter comparative analysis is accurate, and reliability diagnostic result higher, and knot is diagnosed by this
Fruit it will be seen that engine system components aging performance and estimate remaining life, be automobile exhaust system reparation and
The control for discharging pollutants provides important reference frame.
The restorative procedure of automobile exhaust system of the present invention is then the diagnostic result according to special test system, is whole
Individual engine system provides the maintenance and replacing of problem component, and the regeneration of exhaust purifier is processed.Ensuring engine system
While system operating mode is good, recover and improve the purification efficiency of exhaust purifier, fundamentally solve carbon monoxide（CO）, it is hydrocarbon
Compound（HC）, nitrogen oxides（NOx）, the harm of the noxious emission to human health and environment such as PM and sulfide.
It is an advantage of the invention that：Automobile exhaust system diagnosis of the present invention and restorative procedure can be accurately and efficiently
The root of Automobile emission excess emissions is identified, and provides rational maintenance suggestion, fundamentally solve carbon monoxide
（CO）, hydrocarbon（HC）, nitrogen oxides（NOx）, the noxious emission such as PM and sulfide is to human health and environment
Harm.
Specific embodiment
With reference to embodiments, the present invention is further illustrated.Following explanation be by the way of enumerating, but this
The protection domain of invention should not be limited to this.
Embodiment 1：
Diagnostic system first is set up into communication with the ECU of vehicle to be measured by communication protocol corresponding with vehicle to be measured to be connected, is diagnosed
System is by diagnosing the data flow that head obtains the whole engine electric-controlled system of vehicle to be measured, the data flow that diagnostic system will be obtained
Cloud database is uploaded to by internet, and is analyzed with genuine design parameter, generate test result, test result
Test system is returned to by internet, and generates diagnosis report, regeneration treatment is carried out to exhaust purifier according to diagnosis report.
Regeneration process is as follows：Exhaust purifier is pulled down, and is put into 500 DEG C of high temperature furnace and calcined 30 minutes, purged with high pressure air rifle
Exhaust purifier after calcining, untill being blown out without obvious dust, exhaust purifier is put into the cleaning for preparing in advance
Soaked 30 minutes in agent, the high temperature furnace that exhaust purifier is put into 300 DEG C is calcined 15 minutes, removal cleaning agent residual will be prior
The catalyst for preparing is supported on the ceramic monolith of exhaust purifier again, is dried up catalyst with 200 DEG C of high-temperature hot-air, is put
Regeneration treatment is completed by entering the calcining 15 minutes of 500 DEG C of high temperature furnace.
Embodiment 2：
Diagnostic system is set up communication and is connected by communication protocol corresponding with vehicle to be measured with the ECU of vehicle to be measured, diagnostic system
The data flow of the whole engine electric-controlled system of vehicle to be measured is obtained by diagnosing head, the data flow that diagnostic system will be obtained is by mutual
Networking uploads to cloud database, and is analyzed with genuine design parameter, generates test result, and test result is by mutual
Networking returns to test system, and generates diagnosis report, according to diagnosis report to the mass air flow sensor in engine electric-controlled system
Changed.
Embodiment 3：
Diagnostic system is set up communication and is connected by communication protocol corresponding with vehicle to be measured with the ECU of vehicle to be measured, diagnostic system
The data flow of the whole engine electric-controlled system of vehicle to be measured is obtained by diagnosing head, the data flow that diagnostic system will be obtained is by mutual
Networking uploads to cloud database, and is analyzed with genuine design parameter, generates test result, and test result is by mutual
Networking returns to test system, and generates diagnosis report, and the lambda sensor in engine electric-controlled system is entered according to diagnosis report
Row is changed.
Claims (9)
1. automobile exhaust system diagnosis and restorative procedure, comprise the following steps：
First, diagnostic system is set up communication and is connected by the corresponding communication protocol of vehicle to be measured with the ECU of vehicle to be measured；The diagnosis
System includes：Diagnostic device and cloud database；Wherein diagnostic device includes：Diagnosis interface module, decoder and computer；Wherein
Computer is connected by internet with cloud database；Described cloud database mainly includes the genuine of nearly all commercially available vehicle
Design parameter, and be connected with diagnosis computer by internet；
2nd, diagnostic system obtains the data flow of the whole engine electric-controlled system of vehicle to be measured by diagnosing head；
3rd, the data flow of acquisition is uploaded to cloud database by diagnostic system by internet, and is designed with genuine join there
Number is analyzed, and generates test result；
4th, test result returns to test system by internet, and generates diagnosis report；
5th, restorative procedure is selected according to diagnosis report.
2. automobile exhaust system is diagnosed and restorative procedure according to claim 1, it is characterised in that the diagnostic system includes
Diagnostic device and cloud database.
3. automobile exhaust system is diagnosed and restorative procedure according to claim 2, it is characterised in that the diagnostic device includes
Diagnosis interface module, decoder, computer, wherein, computer is connected by internet with cloud database.
4. automobile exhaust system is diagnosed and restorative procedure according to claim 2, it is characterised in that described cloud database
The genuine design parameter of commercially available vehicle is mainly included, and is connected with the diagnostic device by internet.
5. automobile exhaust system is diagnosed and restorative procedure according to claim 1, it is characterised in that repairing in the step 5
Compound method includes：The maintenance of problem component, the replacing of problem component, the regeneration of exhaust purifier treatment.
6. automobile exhaust system is diagnosed and restorative procedure according to claim 5, it is characterised in that repairing in the step 5
The regeneration treatment of the exhaust purifier inside compound method comprises the following steps：A, high-temperature calcination；B, high pressure air rifle purging；C, cleaning
Soaked in agent；D, removal cleaning agent residual；Again the load of e, catalyst；F, drying and dehydrating；G, activated at.
7. automobile exhaust system is diagnosed and restorative procedure according to claim 6, it is characterised in that high temperature described in the step a
Temperature needed for calcining is 400 DEG C~600 DEG C, and environment temperature when removal cleaning agent is remained described in step d is 200 DEG C~300 DEG C,
Temperature needed for activated at described in step g is 400 DEG C~600 DEG C.
8. automobile exhaust system is diagnosed and restorative procedure according to claim 6, it is characterised in that cleaned described in the step c
Soaked in agent, its soak time must not be less than 30min.
9. automobile exhaust system is diagnosed and restorative procedure according to claim 6, it is characterised in that dried described in the step f
Dehydration, therefore, to assure that the water rate of going of catalyst reaches more than 99%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710071638.8A CN106870081A (en) | 2017-02-09 | 2017-02-09 | Automobile exhaust system is diagnosed and restorative procedure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710071638.8A CN106870081A (en) | 2017-02-09 | 2017-02-09 | Automobile exhaust system is diagnosed and restorative procedure |
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| CN106870081A true CN106870081A (en) | 2017-06-20 |
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| CN201710071638.8A Pending CN106870081A (en) | 2017-02-09 | 2017-02-09 | Automobile exhaust system is diagnosed and restorative procedure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361506A (en) * | 2019-08-16 | 2019-10-22 | 广州朗讯猛虎汽车检测有限公司 | A kind of motor-vehicle tail-gas intelligent diagnostics and administer solution system and its application |
| CN112523850A (en) * | 2020-12-02 | 2021-03-19 | 上海星融汽车科技有限公司 | Visual diagnosis method and system for vehicle aftertreatment system and diagnosis equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5572424A (en) * | 1994-05-23 | 1996-11-05 | Automotive Information Systems | Diagnostic system for an engine employing collection of exhaust gases |
| JP2010032480A (en) * | 2008-07-03 | 2010-02-12 | Banzai Ltd | Diagnosis system for cars |
| CN104199436A (en) * | 2014-08-15 | 2014-12-10 | 广西三原高新科技有限公司 | Automatic diagnosing system for energy conservation, emission reduction and repair of automobile |
| CN204790560U (en) * | 2015-07-29 | 2015-11-18 | 天津福申摩恩信息技术有限公司 | Car intelligence diagnosis positioning device based on OBD -II interface |
| CN105521831A (en) * | 2015-12-16 | 2016-04-27 | 杭州海韵环保工程有限公司 | Regeneration technology of marine vanadium-titanium catalyst for SCR denitrification |
| CN105548498A (en) * | 2016-01-27 | 2016-05-04 | 苏州莲池环保科技发展有限公司 | Motor vehicle exhaust gas diagnosis and treatment all-in-one machine based on internet and diagnosis and treatment method |
-
2017
- 2017-02-09 CN CN201710071638.8A patent/CN106870081A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5572424A (en) * | 1994-05-23 | 1996-11-05 | Automotive Information Systems | Diagnostic system for an engine employing collection of exhaust gases |
| JP2010032480A (en) * | 2008-07-03 | 2010-02-12 | Banzai Ltd | Diagnosis system for cars |
| CN104199436A (en) * | 2014-08-15 | 2014-12-10 | 广西三原高新科技有限公司 | Automatic diagnosing system for energy conservation, emission reduction and repair of automobile |
| CN204790560U (en) * | 2015-07-29 | 2015-11-18 | 天津福申摩恩信息技术有限公司 | Car intelligence diagnosis positioning device based on OBD -II interface |
| CN105521831A (en) * | 2015-12-16 | 2016-04-27 | 杭州海韵环保工程有限公司 | Regeneration technology of marine vanadium-titanium catalyst for SCR denitrification |
| CN105548498A (en) * | 2016-01-27 | 2016-05-04 | 苏州莲池环保科技发展有限公司 | Motor vehicle exhaust gas diagnosis and treatment all-in-one machine based on internet and diagnosis and treatment method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361506A (en) * | 2019-08-16 | 2019-10-22 | 广州朗讯猛虎汽车检测有限公司 | A kind of motor-vehicle tail-gas intelligent diagnostics and administer solution system and its application |
| CN112523850A (en) * | 2020-12-02 | 2021-03-19 | 上海星融汽车科技有限公司 | Visual diagnosis method and system for vehicle aftertreatment system and diagnosis equipment |
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Effective date of registration: 20200107 Address after: Room 203-xjd0005, No.7, Putuoshan Avenue, Susu Industrial Park, Suqian City, Jiangsu Province 223800 Applicant after: Suqian payroll Intelligent Technology Co., Ltd Address before: 605, C, room 215000, Lake Hu Science Park, West Jiaotong University, 1 Kwun Tong Road, Xiangcheng Economic Development Zone, Jiangsu, Suzhou, Suzhou, China Applicant before: JIANGSU WANLUDA ENVIRONMENTAL TECHNOLOGY CO., LTD. |
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